{"product_id":"1734-ctm-allen-bradley-point-i-o-common-terminal-module","title":"1734-CTM Allen-Bradley POINT I\/O Common Terminal Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e1734-CTM Allen-Bradley POINT I\/O Common Terminal Module\u003c\/strong\u003e\u003c\/span\u003e expands field wiring termination capacity across compact distributed I\/O architectures.\u003c\/p\u003e\n\u003cp\u003eEngineers utilize this common bus module to simplify ground, return, or power connections for 3-wire field sensors and high-density 8-channel I\/O cards.\u003c\/p\u003e\n\u003cp\u003eMounting directly onto 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS terminal base assemblies, it reduces enclosure clutter and eliminates external terminal strip blocks.\u003c\/p\u003e\n\u003cp\u003eIntegrated physical mechanical keying prevents incorrect module insertion into mismatched base slots, ensuring operational safety during field replacement.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications Table\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Category\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Attribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eEngineering Value \/ Parameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eSystem Identification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand \u0026amp; Manufacturer\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003eRockwell Automation \/ Allen-Bradley\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1734-point-i-o\"\u003ePOINT I\/O\u003c\/a\u003e Bulletin 1734\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog Part Number\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e1734-CTM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eElectrical Power Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eField Power Voltage (DC)\u003c\/td\u003e\n\u003ctd\u003e1.0V to 28.8V DC (10V to 28.8V DC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Power Voltage (AC)\u003c\/td\u003e\n\u003ctd\u003e12V to 240V AC (120V to 240V AC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Bus Current\u003c\/td\u003e\n\u003ctd\u003e4.0 Amperes continuous per module assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eIsolation \u0026amp; Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContinuous Isolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 Volts Continuous isolation rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Withstand Test\u003c\/td\u003e\n\u003ctd\u003e1600 Vrms tested for 60 seconds duration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Location Certification\u003c\/td\u003e\n\u003ctd\u003ec-UL-us Listed (Class I, Division 2, Groups A, B, C, D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eMechanical \u0026amp; Environmental\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKeyswitch Position Setting\u003c\/td\u003e\n\u003ctd\u003ePosition 5 mechanical keying interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-20°C to +55°C (-4°F to +131°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity Range\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing storage and operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Control Cabinets:\u003c\/strong\u003e Provides centralized common power returns for 3-wire PNP\/NPN proximity sensors wired to 8-channel input cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomated Packaging Conveyor Lines:\u003c\/strong\u003e Manages field power distribution across distributed POINT I\/O drops along long conveyor runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Processing Hazardous Skids:\u003c\/strong\u003e Delivers certified Class I, Div 2 field termination for solenoids and switches operating in explosive environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIntegrity monitoring relies on direct electrical continuity across common internal bus bars, maintaining stable voltage distribution across adjacent I\/O modules.\u003c\/p\u003e\n\u003cp\u003ePreventative physical inspection requires verifying that the base mechanical keyswitch aligns with Position 5 before locking the module down.\u003c\/p\u003e\n\u003cp\u003eField technicians utilize multi-meter voltage testing across termination points to detect loose field wiring contacts or blown upstream supply fuses under high current loads.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDuring an upgrade project at a pharmaceutical packaging facility, control cabinets suffered severe wire clutter due to external DIN-rail common blocks.\u003c\/p\u003e\n\u003cp\u003eHigh wiring density led to accidental disconnects during routine maintenance, causing sporadic sensor signal loss across 8-channel input cards.\u003c\/p\u003e\n\u003cp\u003eOur automation engineering team specified integrating the \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e1734-CTM\u003c\/strong\u003e\u003c\/span\u003e module directly onto adjacent 1734-TB bases.\u003c\/p\u003e\n\u003cp\u003eEliminating external wiring terminal strips reduced cabinet footprint requirements by 30% while securing common sensor return paths.\u003c\/p\u003e\n\u003cp\u003eThe facility achieved faster troubleshooting response times and zero unexpected wiring disconnections during subsequent maintenance cycles.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging, Delivery \u0026amp; Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe test and inspect every \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e1734-CTM\u003c\/strong\u003e\u003c\/span\u003e unit before packaging in ESD-safe protective wraps for global dispatch.\u003c\/p\u003e\n\u003cp\u003eOrders ship within 24 to 48 hours via leading international express carriers including FedEx, UPS, and DHL.\u003c\/p\u003e\n\u003cp\u003eAll items include full 12-month comprehensive warranty coverage against manufacturing defects.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Which terminal base assemblies accept the 1734-CTM common terminal module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: Mount this module onto 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS bases with the keyswitch rotated strictly to Position 5.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What is the maximum continuous current rating supported across the 1734-CTM power bus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: The module supports a maximum field power supply current pass-through rating of 4.0 Amperes total.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can the 1734-CTM handle both AC and DC field supply voltages in the same I\/O rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Yes, it accommodates 1-28.8V DC or 12\/240V AC ranges, provided voltage grouping isolation guidelines are maintained.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Why is setting the correct keyswitch position critical during module mounting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: Positioning the mechanical keying wheel to slot 5 prevents accidental insertion of incorrect module types, protecting internal backplane logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: How do engineers verify genuine module condition when sourcing spares for critical machinery?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA5: Inspect backplane pins for wear, verify UL certification markings on the casing, and ensure suppliers include a 12-month warranty.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013982675126,"sku":"1734-CTM","price":137.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1734-CTM_1eb4c05a-1f07-4a0d-b736-bed8e71c7703.jpg?v=1787899465","url":"https:\/\/www.plcsparehub.com\/products\/1734-ctm-allen-bradley-point-i-o-common-terminal-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}